/*
*
* The Apache Software License, Version 1.1
*
* Copyright (c) 2007, 2018 Oracle and/or its affiliates. All rights reserved.
* Copyright (c) 1999-2001 The Apache Software Foundation.  All rights
* reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
*
* 1. Redistributions of source code must retain the above copyright
*    notice, this list of conditions and the following disclaimer.
*
* 2. Redistributions in binary form must reproduce the above copyright
*    notice, this list of conditions and the following disclaimer in
*    the documentation and/or other materials provided with the
*    distribution.
*
* 3. The end-user documentation included with the redistribution, if
*    any, must include the following acknowledgement:
*       "This product includes software developed by the
*        Apache Software Foundation (http://www.apache.org/)."
*    Alternately, this acknowledgement may appear in the software itself,
*    if and wherever such third-party acknowledgements normally appear.
*
* 4. The names "The Jakarta Project", "Tomcat", and "Apache Software
*    Foundation" must not be used to endorse or promote products derived
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* 5. Products derived from this software may not be called "Apache"
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*
* THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESSED OR IMPLIED
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* SUCH DAMAGE.
* ====================================================================
*
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* individuals on behalf of the Apache Software Foundation.  For more
* information on the Apache Software Foundation, please see
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*/

package servlet.tck.common.util;

import java.util.ArrayList;
import java.util.List;

public final class StaticLog {

  private static List<String> al = new ArrayList<>();

  public static void clear() {
    al.clear();
    if (!al.isEmpty()) {
      // we'll try one more time
      al.clear();
      if (!al.isEmpty()) {
        System.out.println(
            "ERROR: The StaticLog could not be clear after 2 attempts");
      }
    } else {
      // System.out.println("log is clear");
    }

  }

  public static void add(String s) {
    // System.out.println("Adding the following item to the log:"+s);
    al.add(s);
  }

  public static ArrayList getClear() {
    /*
     * Object[] o = al.toArray(); for (int i = 0;i<o.length;i++){
     * System.out.println("al - o["+i+"]="+(String)o[i]); }
     */
    // Create a new list which will be returned so that the old list can be
    // cleared
    ArrayList tmp = new ArrayList(al);
    /*
     * Object[] o1 = tmp.toArray(); for (int i = 0;i<o1.length;i++){
     * System.out.println("tmp - o1["+i+"]="+(String)o1[i]); }
     */
    // clear();
    return tmp;
  }

  public static List get() {
    return al;
  }
}
